experiment pr 2

.github/workflows/ci-test-debian.yml

@@ -21,6 +21,8 @@ jobs:
       CTEST_PARALLEL_LEVEL: 4
       IMAGE_TYPE: test
       BUILD_GENERATOR: Ninja
+      ENABLE_TOFINO: ON
+      CMAKE_UNITY_BUILD: OFF
     steps:
       - uses: actions/checkout@v4
         with:
@@ -61,6 +63,7 @@ jobs:
       ENABLE_GTESTS: ${{ matrix.gtest }}
       CMAKE_UNITY_BUILD: ${{ matrix.unity }}
       BUILD_GENERATOR: Ninja
+      ENABLE_TOFINO: ON
     steps:
       - uses: actions/checkout@v4
         with:

.gitignore

@@ -49,3 +49,6 @@ docs/doxygen/p4c-doxygen-warn.log
 
 # Local Documentation build theme files
 docs/doxygen/awesome_css/
+
+# thirdparty
+backends/tofino/third_party/

CMakeLists.txt

@@ -39,6 +39,7 @@ OPTION (ENABLE_BMV2 "Build the BMV2 backend (required for the full test suite)"
 OPTION (ENABLE_EBPF "Build the EBPF backend (required for the full test suite)" ON)
 OPTION (ENABLE_UBPF "Build the uBPF backend (required for the full test suite)" ON)
 OPTION (ENABLE_DPDK "Build the DPDK backend (required for the full test suite)" ON)
+OPTION (ENABLE_TOFINO "Build the TOFINO backend (required for the full test suite)" OFF)
 OPTION (ENABLE_P4TC "Build the P4TC backend" ON)
 OPTION (ENABLE_P4FMT "Build the P4FMT backend" ON)
 OPTION (ENABLE_P4TEST "Build the P4Test backend (required for the full test suite)" ON)
@@ -374,6 +375,7 @@ include_directories (
   ${P4C_SOURCE_DIR}
   ${P4C_BINARY_DIR}
   ${P4C_SOURCE_DIR}/extensions
+  ${P4C_SOURCE_DIR}/backends/tofino  ## FIXME
   )
 add_definitions (-DCONFIG_PREFIX="${CMAKE_INSTALL_PREFIX}")
 add_definitions (-DCONFIG_PKGDATADIR="${CMAKE_INSTALL_PREFIX}/${P4C_ARTIFACTS_OUTPUT_DIRECTORY}")
@@ -487,6 +489,9 @@ endif ()
 if (ENABLE_UBPF)
     add_subdirectory (backends/ubpf)
 endif ()
+if (ENABLE_TOFINO)
+    add_subdirectory (backends/tofino)
+endif ()
 if (ENABLE_GTESTS)
   add_subdirectory (test)
 endif ()

CPPLINT.cfg

@@ -9,6 +9,7 @@ filter=-runtime/references
 filter=-readability/todo
 filter=-readability/function
 filter=-readability/casting
+filter=-readability/fn_size
 linelength=100
 # Do not use 'p4c' as the cpp header guard prefix.
 root=.

backends/common/psaProgramStructure.h

@@ -22,7 +22,11 @@ limitations under the License.
 
 namespace P4 {
 
-enum gress_t { INGRESS, EGRESS };
+enum psa_gress_t {
+    INGRESS,
+    EGRESS,
+};
+
 enum block_t {
     PARSER,
     PIPELINE,
@@ -32,7 +36,7 @@ enum block_t {
 class PsaProgramStructure : public PortableProgramStructure {
  public:
     /// Architecture related information.
-    ordered_map<const IR::Node *, std::pair<gress_t, block_t>> block_type;
+    ordered_map<const IR::Node *, std::pair<psa_gress_t, block_t>> block_type;
 
  public:
     PsaProgramStructure(P4::ReferenceMap *refMap, P4::TypeMap *typeMap)